<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>

<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>添加删除记录练习</title>
  <link rel="stylesheet" type="text/css" href="css.css"/>
</head>
<body>

<table id="employeeTable">
  <tr>
    <th>Name</th>
    <th>Email</th>
    <th>Salary</th>
    <th>&nbsp;</th>
  </tr>
  <tr>
    <td>Tom</td>
    <td>tom@tom.com</td>
    <td>5000</td>
    <td><a href="deleteEmp?id=001">Delete</a></td>
  </tr>
  <tr>
    <td>Jerry</td>
    <td>jerry@sohu.com</td>
    <td>8000</td>
    <td><a href="deleteEmp?id=002">Delete</a></td>
  </tr>
  <tr>
    <td>Bob</td>
    <td>bob@tom.com</td>
    <td>10000</td>
    <td><a href="deleteEmp?id=003">Delete</a></td>
  </tr>

</table>

<div id="formDiv">

  <h4>添加新员工</h4>

  <table>
    <tr>
      <td class="word">name:</td>
      <td class="inp">
        <input type="text" name="empName" id="empName"/>
      </td>
    </tr>
    <tr>
      <td class="word">email:</td>
      <td class="inp">
        <input type="text" name="email" id="email"/>
      </td>
    </tr>
    <tr>
      <td class="word">salary:</td>
      <td class="inp">
        <input type="text" name="salary" id="salary"/>
      </td>
    </tr>
    <tr>
      <td colspan="2" align="center">
        <button id="addEmpButton" value="abc">
          Submit
        </button>
      </td>
    </tr>
  </table>
</div>

<script type="text/javascript" src="jquery-1.10.1.js"></script>
<script type="text/javascript">
  /*
  1. 添加
  2. 删除
   */
  $('#addEmpButton').click(function () {
    //1. 收集输入的数据
    var $empName = $('#empName')
    var $email = $('#email')
    var $salary = $('#salary')
    var empName = $empName.val()
    var email = $email.val()
    var salary = $salary.val()

    //2. 生成对应的<tr>标签结构, 并插入#employeeTable的tbody中
    /*
     <tr>
       <td>Bob</td>
       <td>bob@tom.com</td>
       <td>10000</td>
       <td><a href="deleteEmp?id=003">Delete</a></td>
     </tr>
     */
    var $xxx = $('<tr></tr>')
      .append('<td>'+empName+'</td>') // 拼串
      .append('<td>'+email+'</td>')
      .append('<td>'+salary+'</td>')
      .append('<td><a href="deleteEmp?id="'+Date.now()+'>Delete</a></td>')
      .appendTo('#employeeTable>tbody')

    //3. 清除输入
    $empName.val('')
    $email.val('')
    $salary.val('')
  })

  // 通过table实现对所有a的click事件委托
  $('#employeeTable').delegate('a', 'click', clickDelete)

  /*
  点击删除的回调函数
   */
  function clickDelete () {
    var $tr = $(this).parent().parent()
    var name = $tr.children(':first').html()
    if(confirm('确定删除'+name+'吗?')) {
      $tr.remove()
    }

    return false
  }
  
</script>
</body>
</html>